It then states estimates in 2005 were 20,000 to 25,000 and then grew to between 22,000 and 31,000 in 2015. However, the claim that polar bear numbers have increased since the 1950s rests on thin ice, ...

we may lose those polar bears in our lifetime if we don't do something about it. It's something we explore in our WCCO Original documentary "On The Edge," streaming online right now. You can also ...